Maurice Deloraine

French engineer, executive and technical director

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Maurice Deloraine (1898–1991) was a French engineer, executive and technical director of International Telephone and Telegraph. Deloraine was strongly involved in the development of the so-called Huff-Duff.^[1]

Deloraine and others made an initial patent for delta modulation called "Communication system utilizing constant amplitude pulses of opposite polarities" (French patent issued 1946, US patent filed 1947).^[2]

References

^ Maurice Deloraine, When telecom and ITT were young, Lehigh Books, 1976.
^ US2629857A, Maurice, Deloraine Edmond & Boris, Derjavitch, "Communication system utilizing constant amplitude pulses of opposite polarities", issued 1953-02-24